<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <style type="text/css">
        div,span
        {
            width:100px;
            height:50px;
        }
        div{border:1px solid red;}
        span{border:1px solid blue;}
    </style>
</head>
<body>
    <div></div>
    <span></span>
</body>
</html>
